Segment Information - Disaggregation of Revenue Generating Activities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total operating revenues	$ 527,778	$ 565,706
Core advertising
Disaggregation of Revenue [Line Items]
Total operating revenues	348,574	392,535
Political
Disaggregation of Revenue [Line Items]
Total operating revenues	3,525	5,946
Other
Disaggregation of Revenue [Line Items]
Total operating revenues	9,120	9,625
Distribution
Disaggregation of Revenue [Line Items]
Total operating revenues	$ 166,559	$ 157,600